CN220057675U - Internal supporting member for jacking box culvert - Google Patents
Internal supporting member for jacking box culvert Download PDFInfo
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- CN220057675U CN220057675U CN202320931254.XU CN202320931254U CN220057675U CN 220057675 U CN220057675 U CN 220057675U CN 202320931254 U CN202320931254 U CN 202320931254U CN 220057675 U CN220057675 U CN 220057675U
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- fixedly connected
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- wedge
- box culvert
- jacking
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 239000002689 soil Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of building construction, and discloses an internal supporting member for jacking a box culvert. According to the utility model, the plurality of steel supporting pipes, the base and the wedge-shaped footstock are fixed together to form the supporting member, when the box culvert is transferred to the box body through the railway stock beam pier, the corresponding part of the box body pier supports the interior of the box culvert through the supporting member, wherein the square movable box can be upwards moved along the inner side of the wedge-shaped fixed box through the lifting mechanism in the wedge-shaped footstock, so that the box culvert top plate tightly props against the upper excrement beam pier, the railway excrement beam is ensured to be stable, and the regulation is convenient and quick.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to an internal supporting member for jacking a box culvert.
Background
With the rapid development of the foundation construction of China, the layout of traffic road networks is changed continuously, the phenomenon of three-dimensional intersection of newly built roads and operation railways is more and more, and the box culvert jacking and crossing technology has the advantages of short construction process period and small influence on the surrounding environment and the railway operation, so that the method is widely applied to the railway engineering construction. When the box culvert is jacked in place under the railway stock group, the hole digging piles and the strip-shaped foundations for supporting the temporary beams are removed on the box culvert jacking line, so that the forces born by the hole digging piles and the strip-shaped foundations are transferred to the box culvert. In the normal operation process of the railway stock group, the load born by the convenient beam can downwards extrude the box culvert, and when the born force is overlarge, the box culvert can be deformed, so that the rail is deformed, and therefore, in order to ensure the normal passing and safe construction of the train, a steel support is required to be additionally arranged in the box culvert.
However, at present, the common supporting members are all connected with steel pipes with different lengths through bolts or welding modes, and then the supporting cushion blocks are installed at the upper ends of the steel pipes to support the interior of the box culvert, so that the method is inconvenient to operate, the height of the supporting cushion blocks is not well determined, and the top of the box culvert is likely to deform under the action of earthing gravity due to the fact that the supporting cushion blocks are not in place, so that the railway roadbed is unstable.
Disclosure of Invention
The utility model aims to provide an internal supporting member for jacking a box culvert, so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the steel support pipes comprise round pipes, the upper ends and the lower ends of the round pipes are fixedly connected with flange plates in a welding mode, and a plurality of reinforcing ribs are welded on the outer sides of the joint of the round pipes and the reinforcing ribs;
the wedge-shaped top seat comprises a wedge-shaped fixed box and a square movable box embedded into the upper end of the inner side of the wedge-shaped fixed box; the upper end fixedly connected with roof of square movable box, and at the inside fixedly connected with second partition board of square movable box, the both ends of the inside wall of wedge fixed box are close to the lower extreme respectively fixedly connected with a set of uide bushing of second partition board, the inside of wedge fixed box is located the first division board of bottom fixedly connected with of square movable box, and is located the lower extreme of square movable box in the inside of wedge fixed box and runs through and be provided with elevating system.
As still further aspects of the utility model: the lifting mechanism comprises two screw rods positioned at the front end and the rear end respectively and a nut pair in meshed connection with the corresponding screw rods, the upper end and the lower end of each screw rod are respectively provided with a vertical bearing seat with a bearing inside, the lower end of each screw rod, which is close to the nut pair, is fixedly provided with a worm wheel, the outer side of each worm wheel is respectively in meshed connection with a worm, the two worm rods are fixedly connected together, and the front end and the rear end of each worm rod are respectively correspondingly provided with a transverse bearing seat with a bearing inside.
As still further aspects of the utility model: the nut pair is characterized in that a group of connecting arms are fixedly connected to the outer side of the nut pair, the upper end of each connecting arm is fixedly connected with a guide rod, and the upper end of each guide rod is fixedly connected with a fixing sheet.
As still further aspects of the utility model: the fixed piece is fixedly connected with the lower end of the second partition plate through screws, the guide rod sequentially penetrates through the inner sides of the first partition plate and the guide sleeve from bottom to top, and the guide rod is simultaneously in sliding connection with the first partition plate and the guide sleeve.
As still further aspects of the utility model: the rear end of the worm penetrates through the inner side of the corresponding transverse bearing seat to be provided with a connecting piece, the rear end of the connecting piece is fixedly connected with a rotating rod, and the thickness of the rotating rod is fixedly connected with a hand wheel.
As still further aspects of the utility model: the two transverse bearing seats are respectively arranged at the front end and the rear end of the inner side wall of the wedge-shaped fixed box, the two vertical bearing seats are respectively arranged at the lower end of the first partition plate and the lower end of the inner part of the wedge-shaped fixed box, and the rotating rod penetrates through the rear end of the wedge-shaped fixed box.
As still further aspects of the utility model: the connecting piece is including the sleeve that is located the rear end and with sleeve assorted square draw-in post, square draw-in groove has been seted up to telescopic inboard, spacing hole has all been seted up to four lateral walls of square draw-in groove, the spring post is all installed to four lateral walls of square draw-in post, square draw-in post embedding is at the square draw-in groove of needs, the spring post embedding is in corresponding spacing downthehole, telescopic rear end and dwang fixed connection, the front end and the corresponding worm fixed connection of square draw-in post.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the plurality of steel support pipes, the base and the wedge-shaped footstock are fixed together to form the support member, the interior of the box culvert is supported by the support member in the process of digging and jacking the box culvert, wherein the square movable box can move upwards along the inner side of the wedge-shaped fixed box through the lifting mechanism in the wedge-shaped footstock, so that the top plate upwards presses the upper end of the interior of the box culvert, the upper end of the box culvert tightly props against the upper soil covering, the upper structure of the box culvert is prevented from being deformed too much, the soil covering above the railway is prevented from being deformed greatly, and the soil covering above the railway is stable and convenient and quick to adjust.
Drawings
FIG. 1 is a schematic view of an internal support member for box culvert jacking;
FIG. 2 is a schematic view of the structure of a steel support tube in an internal support member for box culvert jacking;
FIG. 3 is a schematic cross-sectional view of a wedge-shaped roof base in an internal support member for box culvert jacking;
FIG. 4 is a schematic view of the structure of the lifting mechanism in the internal support member for box culvert jacking;
FIG. 5 is a schematic view of the structure of connectors in an internal support member for box culvert jacking;
fig. 6 is a schematic view of the structure of an internal support member for jacking a box culvert inside the box culvert.
In the figure: 1. a steel support tube; 11. a round tube; 12. a flange plate; 13. reinforcing ribs; 2. a wedge-shaped top seat; 21. a wedge-shaped fixed box; 22. a first partition plate; 23. a square moving box; 24. a top plate; 25. a guide sleeve; 26. a second partition plate; 27. a lifting mechanism; 271. a guide rod; 272. a hand wheel; 273. a rotating lever; 274. a connecting piece; 2741. a sleeve; 2742. square clamping groove; 2743. a limiting hole; 2744. a spring post; 2745. square clamping columns; 275. a worm wheel; 276. a connecting arm; 277. a transverse bearing seat; 278. a worm; 279. a nut pair; 280. a screw rod; 281. a vertical bearing seat; 282. a fixing piece; 3. and (5) a base.
Detailed Description
Referring to fig. 1 to 6, in the embodiment of the utility model, an inner supporting member for jacking a box culvert is provided, wherein a plurality of steel supporting pipes 1 are fixedly connected through bolts, a wedge-shaped footstock 2 is fixedly connected to the upper end of the topmost steel supporting pipe 1 through bolts, a base 3 is fixedly connected to the lower end of the bottommost steel supporting pipe 1 through bolts, the steel supporting pipe 1 comprises a circular pipe 11, the upper end and the lower end of the circular pipe 11 are fixedly connected with a flange plate 12 in a welding manner, a plurality of reinforcing ribs 13 are welded to the outer side of the joint of the circular pipe 11 and the reinforcing ribs 13, and according to the actual height of the interior of the box culvert, different numbers of steel supporting pipes 1 are fixedly installed together through bolts passing through the flange plate 12 so as to meet the supporting requirement, and the disassembly and assembly are convenient;
the wedge-shaped top seat 2 comprises a wedge-shaped fixed box 21 and a square movable box 23 embedded in the upper end of the inner side of the wedge-shaped fixed box 21; the upper end fixedly connected with roof 24 of square movable box 23, and at the inside fixedly connected with second partition 26 of square movable box 23, the both ends of the inside wall of wedge fixed box 21 are close to the lower extreme of second partition 26 respectively fixedly connected with a set of uide bushing 25, the inside of wedge fixed box 21 is located the bottom fixedly connected with first division board 22 of square movable box 23, and be located the lower extreme of square movable box 23 in the inside of wedge fixed box 21 and run through and be provided with elevating system 27, if the height of supporting member is just equal with the box culvert inside, then at the in-process of installation supporting member, it is inconvenient, and supporting member can not upwards extrude the box culvert top effectively, and the upper portion of box culvert can take place certain deformation under the pressure that receives the earthing, consequently, upwards remove through square movable box 23, apply an ascending thrust to the upper portion of box culvert, can offset the pressure of a part earthing, guarantee that the box culvert does not take place the deformation in the jacking process.
In fig. 3 and 4, the lifting mechanism 27 comprises two screw rods 280 respectively positioned at the front end and the rear end and nut pairs 279 meshed with the corresponding screw rods 280, vertical bearing seats 281 internally provided with bearings are respectively installed at the upper end and the lower end of each screw rod 280, worm gears 275 are respectively fixedly installed at the outer sides of each screw rod 280 close to the lower ends of the nut pairs 279, worm gears 278 are respectively meshed and connected to the outer sides of each worm gear 275, the two worm gears 278 are fixedly connected together, transverse bearing seats 277 internally provided with bearings are respectively correspondingly installed at the front end and the rear end of each worm 278, a group of connecting arms 276 are respectively and fixedly connected to the outer sides of the nut pairs 279, guide rods 271 are respectively and fixedly connected to the upper ends of each connecting arm 276, fixing pieces 282 are fixedly connected to the upper ends of the guide rods 271, the fixing pieces 282 are fixedly connected with the lower ends of the second partition plates 26 through screws, the guide rods 271 sequentially penetrate through the inner sides of the first partition plates 22 and the guide sleeves 25 from bottom upwards, the guide rods 278 are simultaneously connected with the first partition plates 22 and the guide sleeves 25 in a sliding mode, the rear ends of the corresponding transverse bearing seats 278 are fixedly connected to the inner sides of the corresponding transverse bearing seats 277, a group 274 is respectively, the rear ends of the connecting pieces 274 are fixedly connected to the wedge-shaped boxes 273 are fixedly connected to the inner side shafts 21, and the inner side of the wedge-shaped boxes 273 are fixedly connected to the wedge-shaped boxes 21, and the inner ends of the wedge-shaped boxes 273 are fixedly connected to the inner sides of the wedge-shaped boxes 21, respectively, and the wedge-shaped boxes are fixedly connected to the inner ends of the upper ends of the lower ends of the connecting rods.
In fig. 4 and 5, the connecting piece 274 includes a sleeve 2741 located at the rear end and a square clamping column 2745 matched with the sleeve 2741, a square clamping groove 2742 is formed in the inner side of the sleeve 2741, limiting holes 2743 are formed in four side walls of the square clamping column 2742, spring columns 2744 are mounted on four side walls of the square clamping column 2745, the square clamping column 2745 is embedded in the required square clamping groove 2742, the spring columns 2744 are embedded in the corresponding limiting holes 2743, the rear end of the sleeve 2741 is fixedly connected with a rotating rod 273, the front end of the square clamping column 2745 is fixedly connected with a corresponding worm 278, a handle wheel 272 and the rotating rod 273 are also detached from the square clamping column 2745 together with the sleeve 2741, a motor is directly mounted on the square clamping column 2745, the worm 278 is driven to rotate through the motor, a worm 278 is driven to be in meshed transmission with the worm 275, a pair of nuts 280 is driven to move upwards along the screw rod 280, and the guide rod 271 is driven to move upwards along the inner side of the wedge-shaped moving box 21 through the guide rod 271.
The working principle of the utility model is as follows: in the process of crossing railway roadbed below under the box culvert, need dig the soil jack-in, the earthing of box culvert upper end can downwardly extrusion box culvert's superstructure under the effect of gravity, in order to prevent that the upper structure of box culvert warp too much, fracture even, supports it through supporting member, and its installation and use are as follows: a plurality of steel support pipes 1 are fixedly connected together through bolts so as to adapt to the internal height of a box culvert, a base 3 is fixed at the lower end of one steel support pipe 1 at the lowest end through bolts, and a wedge-shaped top seat 2 is fixed at the upper end of one steel support pipe 1 at the uppermost end through bolts to form a support member; then erecting the installed supporting member, wherein the base 3 is placed at the lower end of the interior of the box culvert, and the wedge-shaped footstock 2 corresponds to the upper end of the interior of the box culvert; then, the hand wheel 272 is rotated clockwise, the rotating rod 273 is driven to rotate by the hand wheel 272, the rotating rod 273 drives the worm 278 to rotate by taking the transverse bearing seat 277 as the center of a circle through the connecting piece 274, the worm 278 is meshed with the worm wheel 275 to drive the screw rod 280 to rotate by taking the vertical bearing seat 281 as the center of a circle, so that the nut pair 279 moves upwards along the screw rod 280, the connecting arm 276 and the guide rod 271 are driven to move upwards together, the guide rod 271 slides on the inner side of the guide sleeve 25, the guide rod 271 pushes the second partition plate 26 upwards, so that the square moving box 23 is driven to move upwards along the inner side of the wedge-shaped fixed box 21, the lower end of the top plate 24 props against the upper end of the box culvert, the upper end of the box culvert tightly props against the covering soil on the upper part, the deformation of the upper structure of the box culvert is prevented from being excessively large, even cracking, and the covering soil cracking and collapsing above the railway are avoided; the upward squeezing pressure of the top plate 24 can be adjusted as needed, so that the covering soil above the railway is stable and convenient to adjust.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. An internal supporting member for jacking a box culvert, a plurality of steel supporting pipes (1) fixedly connected through bolts, a wedge-shaped footstock (2) fixedly connected with the upper end of one steel supporting pipe (1) at the topmost end through bolts, a base (3) fixedly connected with the lower end of one steel supporting pipe (1) at the bottommost end through bolts, and the internal supporting member is characterized in that the steel supporting pipe (1) comprises a circular pipe (11), flange plates (12) are fixedly connected with the upper end and the lower end of the circular pipe (11) in a welding mode, and a plurality of reinforcing ribs (13) are welded on the outer side of the joint of the circular pipe (11) and the reinforcing ribs (13);
the wedge-shaped top seat (2) comprises a wedge-shaped fixed box (21) and a square movable box (23) embedded into the upper end of the inner side of the wedge-shaped fixed box (21); the upper end fixedly connected with roof (24) of square movable box (23), and at the inside fixedly connected with second partition board (26) of square movable box (23), the both ends of the inside wall of wedge fixed box (21) are close to each fixedly connected with a set of uide bushing (25) of lower extreme of second partition board (26), the inside of wedge fixed box (21) is located the bottom fixedly connected with first division board (22) of square movable box (23), and is located the lower extreme of square movable box (23) in the inside of wedge fixed box (21) and run through and be provided with elevating system (27).
2. An internal support member for jacking a box culvert according to claim 1, wherein the lifting mechanism (27) comprises two screw rods (280) respectively positioned at the front end and the rear end and a nut pair (279) in meshed connection with the corresponding screw rods (280), vertical bearing seats (281) internally provided with bearings are respectively arranged at the upper end and the lower end of each screw rod (280), worm wheels (275) are fixedly arranged at the outer side of each screw rod (280) close to the lower end of the nut pair (279), worm gears (278) are respectively in meshed connection with the outer side of each worm wheel (275), the two worm rods (278) are fixedly connected together, and transverse bearing seats (277) internally provided with bearings are respectively correspondingly arranged at the front end and the rear end of each worm rod (278).
3. An internal support member for jacking a box culvert according to claim 2, wherein a group of connecting arms (276) are fixedly connected to the outer side of the nut pair (279), a guide rod (271) is fixedly connected to the upper end of each connecting arm (276), and a fixing piece (282) is fixedly connected to the upper end of each guide rod (271).
4. An internal support member for jacking a box culvert according to claim 3, wherein the fixing piece (282) is fixedly connected with the lower end of the second partition plate (26) through screws, the guide rod (271) sequentially penetrates through the inner sides of the first partition plate (22) and the guide sleeve (25) from bottom to top, and the guide rod (271) is simultaneously in sliding connection with the first partition plate (22) and the guide sleeve (25).
5. An internal support member for jacking a box culvert according to claim 2, characterized in that a connecting piece (274) is mounted at the rear end of the worm (278) penetrating through the inner side of the corresponding transverse bearing seat (277), a rotating rod (273) is fixedly connected to the rear end of the connecting piece (274), and a hand wheel (272) is fixedly connected to the thickness of the rotating rod (273).
6. An internal support member for jacking of a box culvert according to claim 5, characterized in that two of said lateral bearing blocks (277) are respectively installed at front and rear ends of an inner side wall of the wedge-shaped fixed box (21), two of said vertical bearing blocks (281) are respectively installed at a lower end of the first partition plate (22) and at a lower end of an inside of the wedge-shaped fixed box (21), and said rotation lever (273) penetrates a rear end of the wedge-shaped fixed box (21).
7. The internal supporting member for jacking a box culvert according to claim 5, wherein the connecting piece (274) comprises a sleeve (2741) located at the rear end and a square clamping column (2745) matched with the sleeve (2741), square clamping grooves (2742) are formed in the inner side of the sleeve (2741), limit holes (2743) are formed in four side walls of the square clamping grooves (2742), spring columns (2744) are mounted on four side walls of the square clamping column (2745), the square clamping column (2745) is embedded in the required square clamping grooves (2742), the spring columns (2744) are embedded in the corresponding limit holes (2743), the rear end of the sleeve (2741) is fixedly connected with a rotating rod (273), and the front end of the square clamping column (2745) is fixedly connected with a corresponding worm (278).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320931254.XU CN220057675U (en) | 2023-04-23 | 2023-04-23 | Internal supporting member for jacking box culvert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320931254.XU CN220057675U (en) | 2023-04-23 | 2023-04-23 | Internal supporting member for jacking box culvert |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220057675U true CN220057675U (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320931254.XU Active CN220057675U (en) | 2023-04-23 | 2023-04-23 | Internal supporting member for jacking box culvert |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220057675U (en) |
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2023
- 2023-04-23 CN CN202320931254.XU patent/CN220057675U/en active Active
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